Motive Gear GM7.5-373A Differential Ring & Pinion Set 3.73 Ratio, 27 Spline, fit GM 7.5" 7.625" 10 Bolt, 8620 Steel, Compatible for Chevrolet, GMC, Buick, Cadillac, Isuzu, Oldsmobile, Hummer
Motive Gear GM7.5-373A Differential Ring & Pinion Set 3.73 Ratio, 27 Spline, fit GM 7.5" 7.625" 10 Bolt, 8620 Steel, Compatible for Chevrolet, GMC, Buick, Cadillac, Isuzu, Oldsmobile, Hummer
Description
β Upgrade Your GM Differential with Motive Gear! This Motive Gear 3.73 ratio ring & pinion set is designed for GM 7.5"/7.625" (10-bolt) axles. It delivers smooth and efficient performance with precision-machined components made from durable 8620 steel. π Features & Benefits: β Gear Ratio: 3.73 for improved acceleration & power. β Material: Heat-treated 8620 steel for maximum strength & wear resistance. β Pinion Shaft: 27-spline, 1.438-inch diameter for a secure, OEM-style fit. β Installation: Direct fit for 3.23 & numerically higher ratio carriers. β Ring Gear: 41-tooth, 7.5-inch diameter for OE compatibility. π Compatible Applications: This ring & pinion set fits a wide range of GM vehicles, including: Buick: Century, Electra, Regal, Riviera, Skylark (1973-1996) Cadillac: Brougham, DeVille, Fleetwood (1982-1990) Chevrolet: Astro, Blazer, Camaro, Caprice, El Camino, Impala, S10, Monte Carlo, Nova (1973-2005) GMC: Canyon, Jimmy, Sonoma, S15, Safari (1982-2012) Hummer: H3, H3T (2006-2010) Isuzu: Rodeo, Pickup, Ascender (1981-2008) Oldsmobile: Bravada, 98, Custom Cruiser (1977-2004) π‘ Replaces for: β’ GM: 26036813 β’ AAM: 40020428 β’ Richmond Gear: 49-0046-1 β’ Motive Gear: G875373, GM7.5-373 β’ Excel from Richmond: GM75373OE π§ Why Choose Motive Gear? β Trusted by professionals for precision & durability. β Ideal for performance upgrades & restorations. β Backed by a 1-Year / 50,000-Mile Warranty for peace of mind. π₯ Upgrade Your GM Vehicleβs Differential Today!
Item Details
Pickup Location
7440 Dean Martin Dr Suite 204
Las Vegas, NV, 89139
Quality
Auction closes
June 22, 2025 at 4:10 AM
brand
Motive GearEstimated Retail Price
$153.63
weight
12.05 lbsBuyers Premium
15%
Inventory Number
1044203865
Found in
Features
- β High-Performance Gear Set β 3.73 ratio ring & pinion set for GM 7.5"/7.625" (10-bolt) axles, crafted from premium 8620 steel for strength & longevity.
- β Precision Engineered β Features a 41-tooth ring gear, 11-tooth pinion gear, 27-spline pinion shaft, ensuring optimal efficiency & durability.
- β Direct OE Replacement β Designed for vehicles with 3.23 & numerically higher ratio carriers; easy installation for a perfect factory fit.
- β Wide Compatibility β Fits Chevrolet, GMC, Buick, Cadillac, Isuzu, Oldsmobile, Hummer models from 1973-2013 (see full list below).
- β 1-Year or 50,000 Mile Warranty β Backed by Motive Gearβs industry-leading warranty for reliable, long-lasting performance.


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